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A 1500kg car starts from rest and drives around a flat 52-m-diameter circular track. The forward force provided by the car's drive wheels is a constant1300N
Part A- What is the diretion of the cars acceleration at t=13s? Give the direction as the angle from the r-axis
Part B- If the car has rubber tires and the track is concrete, at what time does the car begin to slide out of the circle?
an electric current of 1.00 A is flowing through a copper filament diameter 1.00 mm, calculate the average electron velocity v and the ?- factor, the positive and negative charge densities in the S' frame
Objective questions based on force and acceleration.
An escaped convict runs 1.70 km due east of the prison. He then runs due north to a friend's house. what is the direction of his total displacement vector with respect to due east
A 12.69 g ice cube at -6.33 oC is place in an aluminum cup whose initial temperature is 135.39 oC. What is the mass in grams of the cup
The position of an object connected to a spring varies with time according to the expression x = (5.4 cm) sin(9.3?t). Find the frequency of the motion
Using the electric field described in the alpha cannon simulation, suppose that an alpha particle is fired upward from a height y = 0 m, What is the horizontal distance traveled by the particle
consider two solid disks of identical radius and thickness. one of the disks is made of aluminum (density=2.7g/cm), what is the ratio between the two moments of inertia
The Barringer meteor crater in northern Arizona is 180 m deep and 1.2 km in diameter. what was the meteor's speed at impact
A 40.00-W eletric motor is able to accelerate a 8755 g car from rest to 30.00 mph in 31.10 seconds. Calculate the efficiency of the motor
How much work should be done to bring 3 electrons from a great distance apart to within 2.55E-10 m from one another (at the corners of an equilateral triangle).
It has been suggested that rotating cylinders about 9.0 mi long and 4.6 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have
A small car is pushing a larger truck that has a dead battery. The mass of the truck is twice as large as the mass of car. At one instant of time the car and truck both have an acceleration of 3.5 m/s2. Which of the following statements is true? D..
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